Change in coreboot[master]: payloads/tianocore: Allow custom build parameters for custom builds

[Michael Niewöhner (Code Review)]

Attention is currently required from: Martin Roth, Michał Żygowski, Michał Kopeć, Stefan Reinauer.
Michael Niewöhner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62497 )

Change subject: payloads/tianocore: Allow custom build parameters for custom builds
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Patch Set 1:

(6 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/62497/comment/ecfaa453_d31e2934 
PS1, Line 7: for custom builds
I'd just drop that

https://review.coreboot.org/c/coreboot/+/62497/comment/68e0a8f3_f588457a 
PS1, Line 9:  
,

https://review.coreboot.org/c/coreboot/+/62497/comment/724fc117_2630308a 
PS1, Line 9: allowed
what do you mean by allowed?

https://review.coreboot.org/c/coreboot/+/62497/comment/0e3e0544_43342aba 
PS1, Line 10: na
a

https://review.coreboot.org/c/coreboot/+/62497/comment/714054b8_bc7d9e17 
PS1, Line 11: comamnd
command

Patchset:

PS1: 
This change could be separated from the patch train, so we can get it in faster :)